This inventor holds 18 USPTO granted patents, primarily in Semiconductor Devices. Top assignees: Skhynix Inc., Industry-University Cooperation Foundation Hanyang University, Ginno Games Inc.. Active years: 2014-2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Seoul, KR (2014 - 2022)
- Icheon-si Gyeonggi-do, KR (2022)
- Icheon, KR (2023)
- Icheon-si, KR (2022 - 2024)
Company Filing History:


Years Active: 2014-2025
Areas of Expertise:
Title: Innovations of Changhan Kim in Semiconductor Technology
Introduction
Changhan Kim, a prominent inventor based in Icheon-si, South Korea, has made significant contributions to the field of semiconductor technology. With a total of 18 patents to his name, he is recognized for his innovative approaches to semiconductor memory devices and manufacturing methods.
Latest Patents
His most recent patents include advancements in semiconductor memory devices and their manufacturing methods. The first patent provides a detailed outline of a semiconductor memory device that features a doped semiconductor layer with an upper surface facing a first direction. This design integrates a multifunctional stack, consisting of multiple interlayer insulating layers and conductive layers alternately stacked above the doped semiconductor layer. Notably, the stack includes a groove, along with a liner insulating layer and a liner semiconductor layer, enhancing the device's performance.
Furthermore, his second patent discusses a semiconductor device comprising a complex gate structure with alternating insulating layers and control gates. This design enhances the efficiency and capacity of floating gates and incorporates advanced blocking patterns to optimize operational performance. These innovations demonstrate Changhan Kim's commitment to pushing the boundaries of semiconductor technology.
Career Highlights
Changhan's professional journey includes notable tenures at reputable companies such as SK hynix Inc. and the Industry-University Cooperation Foundation at Hanyang University. His work in these institutions has played a significant role in his development as an inventor and has contributed to the field at large.
Collaborations
He has collaborated with various talented individuals throughout his career, including colleagues In Ku Kang and Sun Young Kim, which has fostered a fruitful exchange of ideas in semiconductor research and development.
Conclusion
In summary, Changhan Kim's contributions to semiconductor innovation, reflected in his 18 patents, mark a significant impact on the technology landscape. His latest work continues to drive advancements in the industry, and his collaborative efforts with respected colleagues and institutions further enhance his contributions to semiconductor research.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile